101019442 has 8 divisors (see below), whose sum is σ = 151679232. Its totient is φ = 50459700.

The previous prime is 101019437. The next prime is 101019461. The reversal of 101019442 is 244910101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22434 + ... + 26557.

It is an arithmetic number, because the mean of its divisors is an integer number (18959904).

Almost surely, 2^101019442 is an apocalyptic number.

101019442 is a deficient number, since it is larger than the sum of its proper divisors (50659790).

101019442 is a wasteful number, since it uses less digits than its factorization.

101019442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50024.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 101019442 is about 10050.8428502290. The cubic root of 101019442 is about 465.7308305724.

Adding to 101019442 its reverse (244910101), we get a palindrome (345929543).

The spelling of 101019442 in words is "one hundred one million, nineteen thousand, four hundred forty-two".